Mainframe Cardlink Developer (Cobol)

PT Lawencon Internasional; Jakarta Selatan; On-site; IDR 200.000.000 - 300.000.000; Full time

Job summary

A rapid-growth IT company in South Jakarta is seeking a Mainframe Developer with expertise in COBOL programming and experience with Cardlink systems. The role includes developing and maintaining applications, troubleshooting issues, and collaborating with cross-functional teams. Candidates should have at least 3 years of relevant experience and possess strong problem-solving and communication skills. Join us to advance your career in Information Technology.

Qualifications

• Minimum 3 years of experience as a Mainframe Developer, focusing on Cardlink systems.
• Strong problem-solving skills and attention to detail.
• Excellent communication and documentation skills.

Responsibilities

• Develop, maintain, and enhance mainframe applications using COBOL.
• Analyze, troubleshoot, and resolve issues in Cardlink systems.
• Collaborate with business analysts and system users to gather requirements.

Skills

COBOL programming

JCL

VSAM

CICS

DB2

Education

Bachelor’s degree in Computer Science

Tools

Endevor

Control-M

Job description

Develop, maintain, and enhance mainframe applications using COBOL and related tools

Analyze, troubleshoot, and resolve issues in Cardlink systems, including transaction flows and integration points

Collaborate with business analysts and system users to gather and understand business requirements

Ensure seamless batch and online processing for card-based transaction systems

Write efficient, well-documented, and testable code

Perform unit testing, system integration testing, and support UAT (User Acceptance Testing)

Support production deployments and post-implementation issue resolution

Ensure high system availability, performance, and reliability

Create and maintain technical documentation, including functional and technical design specifications

Collaborate with cross-functional teams, including infrastructure, database, and application support teams

Stay updated on mainframe technologies and banking/payment trends related to card systems

Key Responsibilities:

• Develop, maintain, and enhance mainframe applications using COBOL and related tools

• Analyze, troubleshoot, and resolve issues in Cardlink systems, including transaction flows and integration points

• Collaborate with business analysts and system users to gather and understand business requirements

• Ensure seamless batch and online processing for card-based transaction systems

• Write efficient, well-documented, and testable code

• Perform unit testing, system integration testing, and support UAT (User Acceptance Testing)

• Support production deployments and post-implementation issue resolution

• Ensure high system availability, performance, and reliability

• Create and maintain technical documentation, including functional and technical design specifications

• Collaborate with cross-functional teams, including infrastructure, database, and application support teams

• Stay updated on mainframe technologies and banking/payment trends related to card systems

Technical Skills:

• Proficiency in COBOL programming (COBOL batch and online processing)

• Experience with JCL, VSAM, CICS, and DB2 in a z/OS mainframe environment

• Strong knowledge of Cardlink application systems (especially in banking/payment processing context)

• Familiarity with card-based transaction processing (ATM, debit/credit card systems, host authorization, switching)

• Understanding of file handling, batch jobs, and real-time processing in mainframe systems

• Ability to analyze complex programs and debug performance or logic issues

• Experience with version control and job scheduling tools on mainframe systems (e.g., Endevor, Control-M)

General Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or a related field

• Minimum 3 years of experience working as a Mainframe Developer, with a focus on Cardlink systems

• Prior involvement in Cardlink system support or enhancement projects is highly preferred

• Strong problem-solving skills and attention to detail

• Excellent communication and documentation skills

• Ability to work independently and in a team environment

• Familiarity with Agile or Waterfall development methodologies is a plus

What's your expected monthly basic salary?

Which of the following types of qualifications do you have?

How many years' experience do you have as a COBOL Developer?

How many years' experience do you have as a Mainframe Developer?

We are a rapid-growth and highly innovative IT company based in South Jakarta. We are looking for talented and motivated candidates to be part of our team.Our employees are youthfully enthusiatic and highly passionate about advancement in Information Technology. Thus, we invite you to futher develop your professional expertise and join us in our path to become the chosen software provider in business enterprise application. Contact us immediately.

We are a rapid-growth and highly innovative IT company based in South Jakarta. We are looking for talented and motivated candidates to be part of our team.Our employees are youthfully enthusiatic and highly passionate about advancement in Information Technology. Thus, we invite you to futher develop your professional expertise and join us in our path to become the chosen software provider in business enterprise application. Contact us immediately.